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Image processing, reading or forming apparatus and method for adding specific image data to obtained image data while encrypting details data specifying specific data and adding encrypted deta
8625167 Image processing, reading or forming apparatus and method for adding specific image data to obtained image data while encrypting details data specifying specific data and adding encrypted deta
Patent Drawings:

Inventor: Amagai
Date Issued: January 7, 2014
Application:
Filed:
Inventors:
Assignee:
Primary Examiner: Poon; King
Assistant Examiner: Lam; Andrew H
Attorney Or Agent: Edwards Wildman Palmer LLPConlin; David G.Tucker; David A.
U.S. Class: 358/3.28; 235/494
Field Of Search: ;358/3.28; ;235/494
International Class: G06K 15/02
U.S Patent Documents:
Foreign Patent Documents: 2009-20746; 2009-116795
Other References: K Ito et al. "Paper Document Security" Fuji Xerox technical report, No. 15, P. 32-41, 2005;URL:htt.://www/fujixerox.co.jp/company/tr/15/downloadhdf/t4.pdf. cited by applicant.









Abstract: A gradation pattern on the basis of the second data for the security of predetermined image data and the details data showing the detail information of a specific image of the image data is provided to a two-dimensional code on the basis of the first data for the security of the image data so that the data for the security of the image data is efficiently added to the image data in a limited space.
Claim: What is claimed is:

1. An image processing apparatus for carrying out a process of adding specific image data of a specific image to obtained image data, comprising: a receiving section forreceiving first data and second data concerning the security of the obtained image data; a code generation section for generating image data for a two-dimensional code having a number of cells on the basis of said first data; an encryption section forencrypting said second data and details data identifying said specific image; a pattern generation section for generating pattern image data showing a gradation pattern in a cell of said two-dimensional code on the basis of the encrypted second data anddetails data; and an addition section for adding additional image data of an additional image based on the generated image data of the two-dimensional code and the pattern image data, and the specific image data to said obtained image data.

2. The image processing apparatus according to claim 1, further comprising: a storage section for storing a number of pieces of specific image data; and a selection receiving section for selecting and receiving one or more pieces of specificimage data to be added to said obtained image data from among said number of pieces of specific image data.

3. The image processing apparatus according to claim 1, wherein said specific image is a visible watermark information in a halftone screen image or a watermark image.

4. An image processing apparatus, comprising: an obtaining section for obtaining image data from an image to which additional image data of an additional image and specific image data of a specific image are added by means of the imageprocessing apparatus according to claim 1; a separation section for separating the first data, second data and details data from the additional image data of said additional image; a matching section for determining whether there is a relationshipbetween the first data and second data separated by said separation section; and a process section for carrying out a process for said image data on the basis of the results of a determination by the matching section and/or said details data.

5. The image processing apparatus according to claim 4, further comprising a determination section for determining whether or not detail information of the specific image on the basis of the image data obtained by said obtaining sectioncorresponds to the details data separated by said separation section, wherein said process section carries out a process for said image data on the basis of the results of a determination by the determination section.

6. The image processing apparatus according to claim 4, further comprising a third data receiving section for receiving third data different from the first data and second data, wherein said matching section carries out a determination ofwhether there is a relationship between said third data and said first data or second data, and said process section carries out a process for said image data on the basis of the results of the determination by said matching section.

7. An image reading apparatus, comprising the image processing apparatus according to claim 1, wherein said image processing apparatus adds additional image data and specific image data to image data obtained from a document.

8. An image reading apparatus, comprising: the image processing apparatus according to claim 4; and a reading section for reading image data from a document, wherein in the case where image data to which additional image data and specificimage data have been added is obtained from said reading section by the image processing apparatus, the separation section of said image processing apparatus separates the first data, second data and details data from said additional image data so that aprocess for said obtained image data can be carried out on the basis of the results of a determination by the matching section of said image processing apparatus and/or said details data.

9. An image forming apparatus, comprising the image processing apparatus according to claim 1, wherein an image is formed on a sheet on the basis of the image data to which additional image data and specific image data have been added by theimage processing apparatus.

10. An image forming apparatus, comprising the image processing apparatus according to claim 4, wherein in the case where image data to which additional image data and specific image data have been added is obtained, an image on the basis ofthe obtained image data is formed on a sheet on the basis of the results of a determination by the matching section of said image processing apparatus and/or said details data.

11. An image processing method for carrying out a process of adding specific image data of a specific image to obtained image data, comprising: a receiving step of receiving first data and second data for the security of the obtained imagedata; a generating step of generating image data of a two-dimensional code having a number of cells on the basis of said first data; an encrypting step of encrypting said second data and details data identifying said specific image; a patterngenerating step of generating pattern image data showing a gradation pattern in a cell of said two-dimensional code on the basis of the encrypted second data and details data; and an adding step of adding additional image data of an additional imagebased on the generated image data of the two-dimensional code and the pattern image data, and the specific image data to said obtained image data.

12. An image processing method, comprising: an obtaining step of obtaining image data from an image to which an additional image and a specific image have been added in accordance with the image processing method according to claim 11; aseparating step of separating the first data, second data and details data from the additional image data of said additional image; a matching step of determining whether there is a relationship between the first data and the second data separated insaid separating step; a determining step of determining whether or not detail information of the specific image on the basis of the image data obtained in said obtaining step corresponds to the details data separated in said separating step; and aprocessing step of carrying out a process for said image data on the basis of the results of a determination in said matching step and/or the results of a determination in said determining step.

13. A non-transitory recording medium, whereon a computer program for causing a computer to carry out a process of adding specific image data of a specific image to obtained image data is recorded and which can be read by a computer, saidcomputer program comprising: a step of causing said computer to receive first data and second data for the security of the obtained image data; a step of causing said computer to generate image data of a two-dimensional code having a number of cells onthe basis of the first data; a step of causing said computer to encrypt the second data and details data identifying said specific image; a step of causing said computer to generate pattern image data expressing a gradation pattern in each cell of thetwo-dimensional code on the basis of the encrypted second data and details data; and a step of causing said computer to add additional image data of an additional image based on the generated image data of the two-dimensional code and the pattern imagedata, and the specific image data to said obtained image data.

14. A non-transitory recording medium whereon a computer program is recorded which can be read by a computer, said computer program comprising: an obtaining step of causing said computer to obtain image data from an image to which an additionalimage and a specific image have been added using a computer program recorded on a recording medium according to claim 13; a separation step of causing said computer to separate the first data, second data and details data from the additional image dataof the additional image; a matching step of causing said computer to determine whether there is a relationship between the first data and second data separated in the separating step; a determining step of causing said computer to determine whether ornot detail information of the specific image on the basis of the image data obtained in the obtaining step corresponds to the details data separated in the separating step; and a step of causing said computer to carry out a process for the image data onthe basis of the results of a determination in the matching step and/or the results of a determination in the determining step.

15. The image processing apparatus according to claim 1, wherein the pattern generation section generates a pattern image data representing at least a kind of gradation pattern in each cell of said two-dimensional code on the basis of theencrypted second data and details data.
Description:
 
 
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